Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o menor tamanho médio de paróquia com 47,2% de fiéis e 4.936 frequentadores regulares?
 ###Tabelas: CREATE TABLE analogue_radio_programmes (analogue_radio_programmes_id AUTO_INCREMENT PRIMARY KEY, Program VARCHAR, Frequency MHz INT, ERP kW INT, Polarisation VARCHAR, Antenna Diagram around (ND) / directional (D) VARCHAR) CREATE TABLE relegation (relegation_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Average VARCHAR, Points INT, Played INT, 1986-87 VARCHAR, 1987-88 VARCHAR, 1988-89 INT) CREATE TABLE theater_credits (theater_credits_id AUTO_INCREMENT PRIMARY KEY, Year INT, Play VARCHAR, Role VARCHAR, Theatre VARCHAR, Location VARCHAR) CREATE TABLE 1980s:_hat_tricks (1980s:_hat_tricks_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Competition VARCHAR, Round VARCHAR, Opponent VARCHAR, Home VARCHAR, Away VARCHAR, Series VARCHAR) CREATE TABLE churches_belonging_to_the_assembly_of_canonical_bishops_of_north__&__central_america (churches_belonging_to_the_assembly_of_canonical_bishops_of_north__&__central_america_id AUTO_INCREMENT PRIMARY KEY, Adherents INT, Regular Attendees INT, % of adherents VARCHAR, Monasteries INT, Parishes INT, Average Parish Size INT)  
SELECT MIN Average Parish Size FROM churches_belonging_to_the_assembly_of_canonical_bishops_of_north__&__central_america WHERE % of adherents = 47.2% AND Regular Attendees > 4,936